NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Pane Ir►f 7
Mechanical Exhaust System Identification:
Location: 0 • Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicals!refuse V. N
Surface Component
System Components Dust/ Wti7C t' not
]NOTE:.if component nbt present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? E not
•
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y__v"N (explain):
louvk s, grates and/or screens
outside air duct S
outside air damper(s) p
Exhaust fan unit:
blower assembly Incl. blower wheel, housing, air vanes, in-line noise
attenuators A/
blower housin acoustical lining
I
vibration collars ev
Exhaust air distribution:
Exhaust air ducts Est total In ft______________ No. locations
inspected L
Specify type (circle): eta fibrous class lined metal masonry fibrous class board
flex-duct «•o9d
Accessible in-line fire dampers Est. total gty ? No. locations inspected C3
Accessible turning vanes Est. total gty No. locations inspected N
Exhaust air rilles Est. total No. locations ins ected p
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of \WTC dust):
KEY: NP = not present; NF = not found; I ='inaccessible; U = unknown
NYC-WTC 000133936
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